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      1 #ifndef __PERF_CACHE_H
      2 #define __PERF_CACHE_H
      3 
      4 #include <stdbool.h>
      5 #include "util.h"
      6 #include "strbuf.h"
      7 #include "../perf.h"
      8 
      9 #define CMD_EXEC_PATH "--exec-path"
     10 #define CMD_PERF_DIR "--perf-dir="
     11 #define CMD_WORK_TREE "--work-tree="
     12 #define CMD_DEBUGFS_DIR "--debugfs-dir="
     13 
     14 #define PERF_DIR_ENVIRONMENT "PERF_DIR"
     15 #define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE"
     16 #define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
     17 #define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
     18 #define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
     19 
     20 typedef int (*config_fn_t)(const char *, const char *, void *);
     21 extern int perf_default_config(const char *, const char *, void *);
     22 extern int perf_config(config_fn_t fn, void *);
     23 extern int perf_config_int(const char *, const char *);
     24 extern int perf_config_bool(const char *, const char *);
     25 extern int config_error_nonbool(const char *);
     26 extern const char *perf_config_dirname(const char *, const char *);
     27 
     28 /* pager.c */
     29 extern void setup_pager(void);
     30 extern const char *pager_program;
     31 extern int pager_in_use(void);
     32 extern int pager_use_color;
     33 
     34 extern int use_browser;
     35 
     36 #ifdef NO_NEWT_SUPPORT
     37 static inline void setup_browser(bool fallback_to_pager)
     38 {
     39 	if (fallback_to_pager)
     40 		setup_pager();
     41 }
     42 static inline void exit_browser(bool wait_for_ok __used) {}
     43 #else
     44 void setup_browser(bool fallback_to_pager);
     45 void exit_browser(bool wait_for_ok);
     46 #endif
     47 
     48 char *alias_lookup(const char *alias);
     49 int split_cmdline(char *cmdline, const char ***argv);
     50 
     51 #define alloc_nr(x) (((x)+16)*3/2)
     52 
     53 /*
     54  * Realloc the buffer pointed at by variable 'x' so that it can hold
     55  * at least 'nr' entries; the number of entries currently allocated
     56  * is 'alloc', using the standard growing factor alloc_nr() macro.
     57  *
     58  * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
     59  */
     60 #define ALLOC_GROW(x, nr, alloc) \
     61 	do { \
     62 		if ((nr) > alloc) { \
     63 			if (alloc_nr(alloc) < (nr)) \
     64 				alloc = (nr); \
     65 			else \
     66 				alloc = alloc_nr(alloc); \
     67 			x = xrealloc((x), alloc * sizeof(*(x))); \
     68 		} \
     69 	} while(0)
     70 
     71 
     72 static inline int is_absolute_path(const char *path)
     73 {
     74 	return path[0] == '/';
     75 }
     76 
     77 const char *make_nonrelative_path(const char *path);
     78 char *strip_path_suffix(const char *path, const char *suffix);
     79 
     80 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
     81 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
     82 
     83 extern char *perf_pathdup(const char *fmt, ...)
     84 	__attribute__((format (printf, 1, 2)));
     85 
     86 #ifdef NO_STRLCPY
     87 extern size_t strlcpy(char *dest, const char *src, size_t size);
     88 #endif
     89 
     90 #endif /* __PERF_CACHE_H */
     91